Lamb & aubergine pastitsio - Good Food Middle East

Ingredients

• 1 tbsp olive oil
• 2 onions, chopped
• 3 garlic cloves
• 300g frozen lamb mince
• 2 tsp cinnamon
• ½ tsp ground allspice
• 1 tbsp dried oregano or mixed herbs
• 1 large aubergine, cut into small cubes
• 1 lamb or beef stock cube
• 2 x 400g cans chopped tomatoes
• 400g macaroni
• 1l semi-skimmed milk
• 2 bay leaves
• 85g butter
• 85g plain flour
• 75g Parmesan, plus extra for the top